Looking for the Perkins 6.247 service manual PDF? This 89-page factory service manual (OEM #601SER02801165) walks you through the complete 6.247 diesel engine, from cylinder head inspection to flywheel housing removal. Inside: a full fault finding chart, page after page of torque tensions and manufacturing dimensions, plus step-by-step rebuild procedures for pistons, crankshaft, timing gears, fuel injection pump, and injectors. You also get cold weather starting aids, preventive maintenance checks, and the approved service tool list Perkins dealers work from. Fill the sump with 11.3 litres of oil and confirm pressure holds at 30 lbf/in2 minimum; the thermostat should crack open between 80 and 84 degrees C. Your engine is down and the forums are guessing. Get the factory numbers instead. Bookmarked, keyword-searchable PDF; pull it up on your phone in the shop and start wrenching.
What's Inside This Perkins 6.247 Manual
| System | Pages | Key Topics |
|---|---|---|
| Engine Views | 5-6 | Assembled Engine, Engine Components |
| Technical Data | 7-15 | Engine Data, Torque Tensions, Manufacturing Dimensions, Lubricating Oil Data, Fuel Oil Specifications |
| Operating and Maintenance | 16-20 | Starting Procedure, Cold Weather Starting Aids, Preventive Maintenance, Post Delivery Checkover, Preservation of Laid Up Engine |
| Fault Finding | 21-22 | Fault Finding Chart, Key to Fault Finding |
| Cylinder Head | 23-30 | Cylinder Head Inspection, Combustion Chamber Inserts, Valve Guides, Valve Springs, Rocker Shaft Assembly, Valve Tip Clearances |
| Pistons and Connecting Rods | 31-35 | Piston Removal, Connecting Rod Removal, Piston Inspection, Small End Bush, Piston Assembly, Connecting Rod Refitting |
| Crankshaft and Main Bearings | 36-40 | Crankshaft Removal, Crankshaft Inspection, Crankshaft Rear Oil Seal, Main Bearing Caps, Thrust Washers, Crankshaft Refitting |
| Cylinder Block and Liners | 41-42 | Cylinder Block Inspection, Cylinder Liner Inspection, Cylinder Liner Removal, Cylinder Liner Replacement, Liner Height |
| Timing Case and Drive | 43-47 | Crankshaft Pulley, Timing Gear Cover, Timing Gears, Idler Gear, Camshaft, Tappets |
| Timing | 48-51 | Gear Timing Marks, Crankshaft Timing Arrangement, Valve Timing, Fuel Injection Pump Timing |
| Lubricating System | 52-57 | Oil Pump, Oil Strainer, Oil Filter, Oil Cooler, Oil Pressure Relief Valve, Oil Sump |
| Cooling System | 58-62 | Water Pump, Thermostat, Drive Belt, Water Pump Seals |
| Fuel System and Air Cleaners | 63-75 | Final Fuel Filter, Fuel Lift Pump, Fuel Injection Pump, Injectors, Air Cleaners, Restriction Indicator |
| Flywheel and Flywheel Housing | 76-77 | Backplate, Flywheel, Flywheel Ring Gear, Flywheel Housing |
| Ancillaries | 78-85 | Alternator, Exhauster, Starter Motor, Stator Coil, Rotor Coil, Rectifier |
| Lubricating Oil Data | 86-87 | Mil-L-46152 Oils, Mil-L-2104C Oils |
| Approved Service Tools | 88-89 | Valve Guide remover/replacer, Piston Height and Valve Depth Gauge, Cylinder Liner remover/replacer, Fuel Injection Pump Gear Remover, Valve Seat Cutter |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Lubricating Oil Pressure | 30 lbf/in2 (2,1 kgf/cm2) 207 kN/m2 minimum | p. 8 |
| Lubricating Oil Sump Capacity | 20 Imperial pints (11.3 litres) 12 U.S. Quarts | p. 8 |
| Cooling System Engine Water Capacity | 12.25 LITRES | p. 14 |
| Thermostat Opening Temperature | 80-84°C | p. 14 |
| Coolant outlet temperature | 77°C (170°F) | p. 30 |
| Oil filter canister tightening torque | 20 Nm | p. 54 |
| Drive belt deflection | 10 mm | p. 59 |
| Injector securing nut torque | 23 Nm | p. 69 |
| Injector nozzle cap nut torque | 78 Nm | p. 71 |
| Nominal Bore | 92.0 mm | p. 8 |
| Stroke | 101.6 mm | p. 8 |
| Rated Output | 75.3 kW | p. 8 |
Perkins 6.247 Common Problems This Manual Covers
Perkins 6.247 diesel engine overheating under load, temperature gauge climbing, coolant boiling in header tank
Check coolant level first; the system holds 12.25 litres. Test the thermostat in heated water: it should start opening at 80-84°C and be fully open at 95°C. Replace it if it stays shut. Then check drive belt tension using the procedure on page 59; deflection should be 10 mm under firm thumb pressure.
Manual Section: Cooling System p. 58Engine cranks but will not start after fuel filter change, air trapped in fuel system
Slacken the vent screws on the fuel filter and operate the lift pump priming lever until fuel flows free of bubbles; the bleeding procedure starts on page 63. If it still won't fire, slacken the injector pipe unions, crank until clean fuel appears, then retighten. Torque injector securing nuts to 23 Nm if disturbed.
Manual Section: Fuel System and Air Cleaners p. 63Oil pressure gauge reading low at operating temperature, pressure drops further as engine heats up
Check oil level and grade before condemning anything; the sump holds 11.3 litres. Minimum acceptable pressure is 30 lbf/in2 (207 kN/m2) at operating temperature. Renew the oil filter canister and tighten it to 20 Nm as specified on page 54. If pressure stays low, inspect the relief valve covered in the lubricating system section on page 52.
Manual Section: Lubricating System p. 52Starter motor turns engine over too slowly in cold weather, fires intermittently then dies
Verify battery connections and ground straps are clean and tight before pulling the starter. Check your oil grade against the chart on page 86; thick oil drags cranking speed down in the cold, so drain the 11.3 litre sump and refill with the correct viscosity. If electrics check out, bench-test the starter motor per the ancillaries section on page 78.
Manual Section: Ancillaries p. 78Loud tapping noise from rocker cover at idle, gets worse as engine warms up
Adjust valve tip clearances with the engine cold: 0.30 mm inlet and 0.41 mm exhaust, following the procedure on page 30. Remove the rocker cover and inspect the rocker levers and shaft for wear per the cylinder head section on page 23. If clearances keep opening up, suspect worn valve tips or rocker pads.
Manual Section: Cylinder Head p. 23Frequently Asked Questions
What are the torque specifications for the injector securing nuts on a Perkins 6.247 engine?
When replacing an injector, the two securing nuts should be tightened evenly to a final torque of 17 lbf ft (23 Nm). It is recommended to give each nut a slight turn at a time to ensure even pressure. p. 69
What is the torque specification for the cylinder head setscrews on a Perkins 6.247 engine?
The cylinder head setscrews must be tightened to a torque of 85 lbf ft (115 Nm). This should be done in the correct sequence as detailed in the manual. p. 8
What is the lubricating oil sump capacity for the Perkins 6.247 engine?
The lubricating oil sump capacity is 20 Imperial pints (11.3 litres) or 12 U.S. Quarts. p. 8
What is the recommended valve tip clearance for the inlet and exhaust valves on a Perkins 6.247 engine?
With the engine cold, the valve tip clearance should be set to 0.012 inches (0.30 mm) for inlet valves and 0.016 inches (0.41 mm) for exhaust valves. p. 30
How often should the lubricating oil and filter be changed on a Perkins 6.247 engine?
The engine lubricating oil should be drained and renewed, and the lubricating oil filter element replaced, every 4,000 miles (6500 km) or 150 hours, whichever occurs first. p. 18
Is this Perkins 6.247 Service Manual a digital download?
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